---
title: Redocly CLI guides
description: Browse how-to guides for working with Redocly CLI
---
import { WideTile, Flex } from '@redocly/developer-portal/ui';
# Redocly CLI guides
Learn how to work with Redocly CLI.
Learn about rules.
Learn about decorators.
How to create a custom rule to enforce response contents.
How to hide internal APIs.
How to replace the server URL in different environments.
How to change the OAuth2 token URL.
How to create a custom decorator to hide OpenAPI specification extensions.